(19)

(11)

EP 3 802 970 A1

(12)

(43) Date of publication: 14.04.2021 Bulletin 2021/15 (21) Application number: 19728152.0 (22) Date of filing: 24.05.2019

(51) International Patent Classification (IPC):  E03B 7/00(2006.01) E03C 1/02(2006.01) E03C 1/00(2006.01) (86) International application number: PCT/SE2019/050481 (87) International publication number: WO 2019/231382 (05.12.2019 Gazette 2019/49)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 29.05.2018 SE 1850647 (71) Applicant: Concentus Properties AB 952 31 Kalix (SE)	(72) Inventor: LUNDHOLM, Anton 952 31 KALIX (SE) (74) Representative: Brann AB  P.O. Box 3690 Drottninggatan 27 103 59 Stockholm 103 59 Stockholm (SE)